kinetoscope

noun 0.597

rotoscope

noun 0.571

stroboscope

noun 0.556

stereopticon

noun 0.550

stereoscope

noun 0.517

bioscope

noun 0.515

polytrope

noun 0.507

cinematograph

noun 0.505

gyrotron

noun 0.504

trochospiral

noun 0.502

zone plate

noun 0.501